Material or article handling – Land vehicle or boat tilting and lifting devices
Patent
1986-12-22
1988-02-16
Paperner, Leslie J.
Material or article handling
Land vehicle or boat tilting and lifting devices
297DIG4, 414921, A61G 500
Patent
active
047251883
ABSTRACT:
An article of furniture is provided for receiving a wheelchair and extending the wheelchair functions, the article of furniture including track rail members having upwardly opening concave tracks which extend rearwardly from a lowermost point to a first slightly raised position and then extend along curved paths in an arc having about the same or slightly larger radius of curvature as the large wheels of the wheelchair to be accommodated. Thus, a wheelchair may be backed along the concave tracks to "detent" over the first position to safely "bed" the wheelchair. Also included is a tilt frame against which the rear of the wheelchair bears and a head rest carried in an upper portion of the tilt frame. A controllable rearward reclining position may be assumed by actuating (alternatively, manually or power assisted) a lift mechanism which raises pads supporting the small front wheels of the wheelchair such that the entire wheelchair, as well as the tilt frame, rotates about the axis of the large wheels. When the desired reclining position is reached, the person in the wheelchair may rest at ease and in complete securitywith his head against the headrest. The process is reversed when it is desired to remove the wheelchair from the assembly.
REFERENCES:
patent: 2567672 (1951-09-01), Lawless
patent: 3306660 (1967-02-01), Williams
patent: 3476404 (1969-11-01), Rachman
patent: 4192549 (1980-03-01), Petersen
patent: 4527944 (1985-07-01), Qually et al.
patent: 4561823 (1985-12-01), Norton
patent: 4592695 (1986-06-01), McConnell
Wylie George K.
Zimmermann Donald L.
Paperner Leslie J.
Phillips James H.
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